<template>
  <div class="container">
    <el-card>
      <!-- 面包屑区域 -->
      <el-breadcrumb
        separator-class="el-icon-arrow-right"
        v-if="subjects.id && subjects.name"
      >
        <el-breadcrumb-item>学科管理</el-breadcrumb-item>
        <el-breadcrumb-item>{{
          subjects.id ? subjects.name : ''
        }}</el-breadcrumb-item>
        <el-breadcrumb-item>目录管理</el-breadcrumb-item>
      </el-breadcrumb>

      <!-- 搜索栏区域 -->
      <el-row
        type="flex"
        justify="end"
        style="flex-wrap:wrap;flex-direction:row"
      >
        <el-col :span="24">
          <!-- 搜索框 -->
          <el-col :span="12">
            <el-form ref="subjectFrom" :model="queryList" label-width="80px">
              <el-form-item label="标签名称">
                <el-input
                  class="inputCol"
                  v-model="queryList.directoryName"
                ></el-input>
              </el-form-item>
              <el-form-item label="状态">
                <el-select v-model="queryList.state" placeholder="请选择">
                  <el-option label="已启用" :value="1"> </el-option>
                  <el-option label="已禁用" :value="0"> </el-option>
                </el-select>
              </el-form-item>
            </el-form>
          </el-col>
          <el-col :span="9" class="left-fot">
            <el-button size="small" class="colInput" plain @click="resetInput"
              >清除</el-button
            >
            <el-button
              size="small"
              class="colInput"
              type="primary"
              @click="getTagsList"
              >搜索</el-button
            >
          </el-col>
          <el-col :span="2">
            <el-button
              class="colright"
              size="mini"
              type="success"
              icon="el-icon-edit"
              @click="addDialogVisible = true"
              >新增学科</el-button
            >
            <el-button
              v-if="subjects.id && subjects.name"
              type="text"
              class="colright"
              icon="el-icon-back"
              @click="$router.back()"
              >返回学科</el-button
            >
          </el-col>
        </el-col>
      </el-row>

      <!-- 消息文案 -->
      <el-alert
        :title="`数据一共 ${counts} 条`"
        :closable="false"
        type="info"
        show-icon
      >
      </el-alert>

      <!-- 表格区域 -->
      <el-table :data="tagsList" style="width: 100%;">
        <el-table-column type="index" label="序号"> </el-table-column>
        <el-table-column prop="subjectName" label="所属学科"> </el-table-column>
        <el-table-column prop="tagName" label="目录名称"> </el-table-column>
        <el-table-column prop="username" label="创建者"> </el-table-column>
        <el-table-column prop="addDate" label="创建日期"> </el-table-column>
        <el-table-column prop="state" label="状态">
          <template v-slot="{ row }">
            {{ row.state === 1 ? '已启用' : '已禁用' }}
          </template>
        </el-table-column>
        <el-table-column prop="address" label="操作">
          <template v-slot="{ row }">
            <el-button type="text" @click="editState(row.id, row.state)">{{
              row.state === 1 ? '启用' : '禁用'
            }}</el-button>
            <el-button
              type="text"
              :disabled="row.state === 1"
              @click="editTags(row)"
              >修改</el-button
            >
            <el-button
              type="text"
              :disabled="row.state === 1"
              @click="removeTag(row)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <pagination-add
        :page="queryList.page"
        :pagesize="queryList.pagesize"
        :counts="counts"
        @handleSizeChange="handleSizeChange"
        @handleCurrentChange="handleCurrentChange"
      />
    </el-card>

    <!-- 添加标签弹框 -->
    <el-dialog
      title="新增目录"
      :visible.sync="addDialogVisible"
      width="20%"
      @close="restDir"
    >
      <!-- 主体区域 -->
      <el-row>
        <el-col>
          <el-form
            :model="tagsForm"
            :rules="tagsFormRules"
            ref="tagsFormRef"
            label-width="80px"
            class="demo-ruleForm"
          >
            <el-form-item
              v-if="!subjects.id && !subjects.name"
              class="elform"
              label="所属学科"
            >
              <el-select
                v-model="tagsForm.value"
                placeholder="请选择"
                style="width: 100%;"
              >
                <el-option
                  :label="item.label"
                  :value="item.value"
                  v-for="item in addFrom"
                  :key="item.id"
                >
                </el-option>
              </el-select>
            </el-form-item>
            <el-form-item class="elform" label="目录名称" prop="tagName">
              <el-input
                v-model="tagsForm.tagName"
                placeholder="请输入目录名称"
                style="width: 100%;"
              ></el-input>
            </el-form-item>
          </el-form>
        </el-col>
      </el-row>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="addTagsForm">确定</el-button>
      </span>
    </el-dialog>

    <!-- 修改标签弹框 -->
    <el-dialog
      title="修改目录"
      :visible.sync="editDialogVisible"
      width="20%"
      @close="restDir"
    >
      <!-- 主体区域 -->
      <el-row>
        <el-col>
          <el-form
            :model="editTagList"
            :rules="tagsFormRules"
            ref="tagsFormRef"
            label-width="80px"
            class="demo-ruleForm"
          >
            <el-form-item
              v-if="!subjects.id && !subjects.name"
              class="elform"
              label="所属学科"
            >
              <el-select
                v-model="editTagList.value"
                placeholder="请选择"
                style="width: 100%;"
              >
                <el-option
                  :label="item.label"
                  :value="item.value"
                  v-for="item in addFrom"
                  :key="item.value"
                >
                </el-option>
              </el-select>
            </el-form-item>
            <el-form-item class="elform" label="目录名称" prop="tagName">
              <el-input
                v-model="editTagList.tagName"
                placeholder="请输入目录名称"
                style="width: 100%;"
              ></el-input>
            </el-form-item>
          </el-form>
        </el-col>
      </el-row>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="editTagsForm">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { update, remove, add, list, changeState } from '@/api/hmmm/tags'
import { simple } from '@/api/hmmm/subjects'
import PaginationAdd from '../components/Pagination/pagination-add'

export default {
  name: 'Tags',
  data () {
    return {
      // 标签id
      infoId: '',

      // 修改的表单值
      editTagList: {
        value: '',
        tagName: ''
      },

      // 添加标签的表单值
      tagsForm: {
        tagName: '',
        value: ''
      },

      // 学科简单列表
      addFrom: [],

      // 请求标签数据参数
      queryList: {
        page: 1,
        pagesize: 10,
        directoryName: '',
        state: null
      },
      // 标签数据列表
      tagsList: [],
      // 标签总条数
      counts: 0,
      // 添加框的显示与隐藏
      addDialogVisible: false,
      // 修改的弹框显示与隐藏
      editDialogVisible: false,
      // 添加验证
      tagsFormRules: {
        tagName: [
          { required: true, message: '请输入目录名称', trigger: 'blur' },
          { min: 3, max: 8, message: '长度在 3 到 8 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  components: {
    PaginationAdd
  },
  computed: {
    subjects () {
      return this.$route.query || null
    }
  },
  watch: {
    '$route.query' () {
      this.getTagsList()
    }
  },
  created () {
    this.getTagsList()
    this.getAddFrom()
  },
  methods: {
    // 请求标签列表
    async getTagsList () {
      try {
        this.queryList.subjectID = this.subjects.id || null
        const { data } = await list(this.queryList)
        console.log(data)
        data.items.forEach(item => {
          item.addDate = this.$dayjs(item.addDate).format('YYYY-MM-DD hh:mm:ss')
        })
        this.tagsList = data.items
        this.counts = data.counts
      } catch (err) {
        this.$message.error('请求失败')
      }
    },
    // 点击确定修改
    async editTagsForm () {
      try {
        if (this.subjects.id && this.subjects.name) {
          await update({
            id: this.infoId,
            subjectID: +this.subjects.id,
            tagName: this.editTagList.tagName
          })
          this.$message.success('修改目录成功')
          this.editDialogVisible = false
          // 重新获取数据
          this.getTagsList()
        } else {
          await update({
            id: this.infoId,
            subjectID: this.editTagList.value,
            tagName: this.editTagList.tagName
          })
          this.$message.success('修改目录成功')
          this.editDialogVisible = false
          this.getTagsList()
        }
      } catch (err) {
        console.log(err)
      }
    },

    // 修改
    editTags (row) {
      console.log(row)
      this.editTagList.value = row.subjectID
      this.infoId = row.id
      this.editTagList.tagName = row.tagName
      this.editDialogVisible = true
    },

    // 删除标签
    async removeTag (row) {
      console.log(row)
      const configRuselt = await this.$confirm(
        '此操作将永久删除该学科, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (configRuselt !== 'confirm') {
        return this.$message('您取消了删除操作!')
      }
      try {
        const { data } = await remove(row)
        console.log(data)
        this.$message.success('删除成功!')
        this.getTagsList()
      } catch (err) {
        this.$message.error('删除失败!')
      }
    },

    // 添加操作
    async addTagsForm () {
      try {
        if (this.subjects.id && this.subjects.name) {
          await add({
            subjectID: +this.subjects.id,
            tagName: this.tagsForm.tagName
          })
          this.$message.success('新增目录成功')
          this.addDialogVisible = false
          this.getTagsList()
        } else {
          await add({
            subjectID: this.tagsForm.value,
            tagName: this.tagsForm.tagName
          })
          this.$message.success('新增目录成功')
          this.addDialogVisible = false
          this.getTagsList()
        }
      } catch (err) {
        this.$message.error('新增目录失败')
        console.log(err)
      }
    },

    // 添加重置
    restDir () {
      this.$refs.tagsFormRef.resetFields()
      this.tagsForm.value = ''
    },

    // 获取学科简单列表
    async getAddFrom () {
      try {
        const { data } = await simple()
        this.addFrom = data
      } catch (err) {
        console.log(err)
      }
    },

    // 清除输入框
    resetInput () {
      this.queryList.directoryName = ''
      this.queryList.state = null
      this.getTagsList()
    },

    // 修改状态
    async editState (row) {
      console.log(row)
      try {
        await changeState({
          id: row.id,
          state: row.state === 1 ? 0 : 1
        })
        this.$message.success('操作成功')
        row.state = row.state === 1 ? 0 : 1
      } catch (err) {
        this.$message.error('请求错误!')
      }
    },

    // 一页多少条
    handleSizeChange (newSize) {
      this.queryList.pagesize = newSize
      this.getTagsList()
    },

    // 多少页
    handleCurrentChange (newPage) {
      this.queryList.page = newPage
      this.getTagsList()
    }
  }
}
</script>

<style scoped lang="scss">
.left-fot {
  margin-left: 9px;
}
.el-row {
  margin-top: 20px;
}
.colInput {
  height: 35px;
}
.colright {
  float: right;
  height: 35px;
  margin-left: 10px;
}
.el-breadcrumb {
  padding-bottom: 20px;
  border-bottom: 1px solid #ccc;
}
.inputCol {
  width: 200px;
}
.el-form-item {
  display: inline-block;
}
.el-table {
  margin-top: 10px;
}
.el-pagination {
  float: right;
  margin-top: 20px;
}
.elform {
  width: 100%;
}

.el-form-item__content {
  margin-left: 10px;
}
</style>
